The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 2013
Filed:
Apr. 27, 2012
Sang Yull Kim, Seosan-si, KR;
Jin Woo Lee, Seosan-si, KR;
Eun IL Kim, Daejeon, KR;
Joon Ryeo Park, Seoul, KR;
Sang Yull Kim, Seosan-si, KR;
Jin Woo Lee, Seosan-si, KR;
Eun Il Kim, Daejeon, KR;
Joon Ryeo Park, Seoul, KR;
Samsung Total Petrochemicals Co., Ltd., Daesan-up, Seosan-shi, Chungcheongnam-do, KR;
Abstract
Provided are a solid catalyst for propylene polymerization which includes titanium, magnesium, halogen and an internal electron donor mixture of two or more compounds wherein the internal electron donor mixture includes at least one selected from the bicycloalkanes or bicycloalkenes and at least one selected from diethers and succinates, and a method for preparing propylene using the same. As disclosed, it is possible to prepare polypropylene having an excellent stereoregularity with a high production yield.